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arXiv 2110.06752hep-th
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具有Pati-Salam规范群的超无标度模型

Super No-Scale Models with Pati-Salam Gauge Group

Ioannis Florakis, John Rizos, Konstantinos Violaris-Gountonis

摘要:

我们构建并分类杂种优势模型,其中$\mathcal N=1$超对称性自发破缺la Scherk-Schwarz。这些理论包含了在可观测的Pati-Salam规范对称性下的手征物质变换,并根据最小的唯象要求(包括其单圈有效势的形状)进行分类。后者基本上由两个参数控制,这两个参数很容易根据定义字符串数据进行计算。通过在无质量水平上施加玻色-费米简并,即所谓的超无标度条件,可以将有效势的值抑制到指数级的小值,只要紧化标度足够低于弦标度。此外,我们还比较了$\sim 10^{10}$ Pati-Salam模型与它们的基于SO(10)规范对称性的母体理论的空间,证实了它们的有效单圈势的普适性结构。

英文摘要:

We construct and classify heterotic models where $\mathcal N=1$ supersymmetry is spontaneously broken à la Scherk-Schwarz. The theories contain chiral matter transforming under an observable Pati-Salam gauge symmetry and are classified according to a minimal set of phenomenological requirements, including the shape of their one-loop effective potential. The latter is essentially controlled by two parameters that are easily computable in terms of the defining string data. By imposing Bose-Fermi degeneracy at the massless level, known as the super no-scale condition, it is possible to suppress the value of the effective potential to exponentially small values, provided the compactification scale is sufficiently lower than the string scale. Furthermore, we compare the space of $\sim 10^{10}$ Pati-Salam models with their parent theories based on SO(10) gauge symmetry and confirm the universality structure of their effective one-loop potentials.

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